Move catch prediction into frontend.

src/interpreter/bytecode-generator.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_INTERPRETER_BYTECODE_GENERATOR_H_
 #define V8_INTERPRETER_BYTECODE_GENERATOR_H_
 
 #include "src/ast/ast.h"
 #include "src/interpreter/bytecode-array-builder.h"
 #include "src/interpreter/bytecode-label.h"
@@ skipping 147 matching lines @@
   void VisitForAccumulatorValue(Expression* expr);
   void VisitForAccumulatorValueOrTheHole(Expression* expr);
   MUST_USE_RESULT Register VisitForRegisterValue(Expression* expr);
   void VisitForRegisterValue(Expression* expr, Register destination);
   void VisitForEffect(Expression* expr);
 
   // Methods for tracking and remapping register.
   void RecordStoreToRegister(Register reg);
   Register LoadFromAliasedRegister(Register reg);
 
-  // Methods for tracking try-block nesting.
-  bool IsInsideTryCatch() const { return try_catch_nesting_level_ > 0; }
-  bool IsInsideTryFinally() const { return try_finally_nesting_level_ > 0; }
-
   // Initialize an array of temporary registers with consecutive registers.
   template <size_t N>
   void InitializeWithConsecutiveRegisters(Register (&registers)[N]);
 
   inline BytecodeArrayBuilder* builder() const { return builder_; }
   inline Isolate* isolate() const { return isolate_; }
   inline Zone* zone() const { return zone_; }
   inline Scope* scope() const { return scope_; }
   inline CompilationInfo* info() const { return info_; }
 
@@ skipping 26 matching lines @@
   BytecodeArrayBuilder* builder_;
   CompilationInfo* info_;
   Scope* scope_;
   ZoneVector<Handle<Object>> globals_;
   ControlScope* execution_control_;
   ContextScope* execution_context_;
   ExpressionResultScope* execution_result_;
   RegisterAllocationScope* register_allocator_;
   ZoneVector<BytecodeLabel> generator_resume_points_;
   Register generator_state_;
-  int try_catch_nesting_level_;
-  int try_finally_nesting_level_;
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_BYTECODE_GENERATOR_H_